Home > Duplex Steel >Duplex Steel Wire S31803
| Specifications | : | ASTM A276 ASME SA276 |
| Dimensions | : | ASTM, ASME |
| Thickness | : | 10mm to 100mm |
| Diameter | : | 100 mm To 6000 mm |
| Specialize | : | Wire, Filler Wire, Coil Wire |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| S31803 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 21.0 – 23.0 | 4.5- 6.5 | 2.5 – 3.5 | 0.08 – 0.20 |
| S32205 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.010 max | 22.0 – 23.0 | 4.5- 6.5 | 3.0 – 3.5 | 0.14 – 0.20 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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We offer These Duplex Steel Wire S31803 as per DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: Duplex steel S31803 has excellent corrosion resistance, especially in harsh environments containing chlorides and sulphides. This makes it suitable for use in marine, chemical and corrosion-producing petrochemical industries a great concern.
High Strength: These steels have high strength compared to stainless austenitic steels, making them suitable for applications requiring rigorous design
Excellent weldability: Duplex steel S31803 exhibits excellent weldability, facilitating the fabrication and fabrication of various products and systems.
Excellent fatigue resistance: This material provides excellent fatigue resistance, which is important for materials under continuous load or stress cycles.
Cost-effectiveness: Despite its quality, duplex steel S31803 can be more cost-effective than some other corrosion-resistant products, striking a balance between performance and price
Duplex Steel Wire S31803 applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Chemical applications: Duplex steel wire S31803 is commonly used in chemical plants in sensitive environments such as acids, alkalis and salts. It resists stress corrosion breakdown and chloride-induced corrosion, making it suitable for chemical storage tanks, pipeline systems and reactor operations.
Desalination plants: Duplex steel S31803 is used to resist corrosion in sea water and withstand high-pressure conditions. It is used in heat exchangers, piping systems and pumps.
Pulp and Paper Industry: Duplex steel wire S31803 is preferred for equipment such as digesters, washing machines, tanks and other equipment in the pulp and paper industry where the processing requires corrosive chemicals and high temperatures use the right
Marine Applications: Due to its corrosion resistance in seawater and chloride environments, duplex steel S31803 is commonly used in marine applications such as shipbuilding, offshore structures, and marine equipment, e.g propeller shafts, pumps and valves
Oil and Gas Industry: In the oil and gas sector, duplex steel wire S31803 is used on offshore platforms, pipelines and equipment in harsh environments, including high-stress and high corrosion conditions. Its corrosion resistance and high strength make it ideal for such applications, especially in environments where conventional carbon steel or stainless steel may fail
Understand the application: Determine the purpose for which you need duplex steel wire. Whether it’s for architectural use, corrosion resistance, high-temperature resistance, or other specific requirements, understanding the application will guide your choice
Weldability: Weldability is important in many applications involving duplex steel wire. Ensure proper welding techniques can easily be used to weld the wire without compromising its mechanical properties or corrosion resistance.
Corrosion resistance: Duplex steel is known for its excellent corrosion resistance, especially in chloride environments. Evaluate the wire’s resistance to pitting, crack corrosion, and stress corrosion cracking, which are common concerns in many applications.
Mechanical properties: Consider the mechanical properties that are important to your application, including tensile strength, yield strength, propagation, and shock resistance. These properties determine the wire’s performance under conditions and loads.
Chemical composition: Duplex steel S31803 has a balance of chromium, molybdenum and nickel and significant amounts of ferrite and austenite phases. Ensure that the chemical composition meets your application requirements, such as corrosion resistance, strength and weldability.
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